say it: SIN-uh-bahr
cinnabar is a noun and adjective meaning "a heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury". It carries 3 recorded senses.
a heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury
large red-and-black European moth; larvae feed on leaves of ragwort; introduced into United States to control ragwort
of a vivid red to reddish-orange color
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for cinnabar come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.